zags

/zaɡs/

Cases

SingularPluralWhen to use it
nominativezagsthe registry officezagslathe registry officesthe plain dictionary form — the doer of the sentence
genitivezagsnıthe registry office'szagslanıthe registry offices'the owner — whose it is
accusativezagsnıthe registry office (as the object)zagslanıthe registry offices (as the object)a specific, known object — whom or what
dativezagshato the registry officezagslağato the registry officesdirection or recipient — to where, to whom
locativezagsdaat / in the registry officezagsladaat / in the registry officeswhere it is; also having — mende bar, "I have it"
ablativezagsdanfrom the registry officezagsladanfrom the registry officeswhere it comes from; also "than" when comparing
When to use each case
nominative
the plain dictionary form — the doer of the sentence
genitive
the owner — whose it is
accusative
a specific, known object — whom or what
dative
direction or recipient — to where, to whom
locative
where it is; also having — mende bar, "I have it"
ablative
where it comes from; also "than" when comparing

The endings are the same ones the pronouns wear — that page explains when each case is used.

With an owner

One ownedSeveral owned
myzagsımmy registry officezagslarımmy registry offices
yourzagsıngyour registry officezagslarıngyour registry offices
his / herzagsıhis / her registry officezagslarıhis / her registry offices
ourzagsıbızour registry officezagslarıbızour registry offices
you all'szagsığızyou all's registry officezagslarığızyou all's registry offices
theirzagslarıtheir registry officezagslarıtheir registry offices

The overlap in the last rows is real, not a mistake: zagsları can mean "his / her registry offices", "their registry office", or "their registry offices" — context decides.